"rock drills" in German rock drills Bohrhämmer Bohrmaschinen Gesteinsbohrer Detailed translations for "rock drills" rock drills rock drills(also: hammer drills, percussion drills, reciprocating drills, hammerpicks) Bohrhämmer{masculine plural} rock drills(also: drills, drilling machines, drill machines, machine drills) Bohrmaschinen{masculine plural} rock drills Gesteinsbohrer{masculine plural}